Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4650235 | Well tubing handling apparatus | Albert S. Shaginian, Anatoly A. Pevnev, Alexei G. Asan-Dzhalalov, Leonid N. Palkin, Elena I. Klimovich | 1987-03-17 |
| 4604724 | Automated apparatus for handling elongated well elements such as pipes | Albert S. Shaginian, Alexei G. Asan-Dzhalalov, Anatoly A. Pevnev, Alexandr Suvorov, Boris V. Khalitov +8 more | 1986-08-05 |
| 4591007 | Well tubing handling apparatus | Albert S. Shaginian, Anatoly A. Pevnev, Alexei G. Asan-Dzhalalov, Leonid N. Palkin, Elena I. Klimovich | 1986-05-27 |
| 4515045 | Automatic wrench for screwing a pipe string together and apart | Viktor V. Gnatchenko, Nikolai P. Makarov, Albert S. Shaginian, Alexei G. Asan-Dzhalalov, Anatoly A. Pevnev +4 more | 1985-05-07 |